We all know that Shiny is great for interactive data visualisations. But, sometimes even the best attempts to fit all your graphs just in one Shiny page are not enough. From our experience, almost every project with growing amount of KPIs struggles with a problem of messy and not readable ... [Read more...]

I spent 3 amazing days at eRum conference in Budapest. The conference was a blast and organizers (BIG thanks to them again) did wonderful job compiling such a high-level event. My favourite talks from the conference Better than Deep Learning - Gradient Boosting Machines (GBM) in R - Szilard Pafka Szilard ... [Read more...]

Appsilon Tech Talks - each Wednesday we hold internal meetings where we discuss technology. By sharing our tech talks with the community and contributing to open source, we inspire discussion and growth that allow others to learn from our accomplishments and to share with us. Lately, I had a chance ... [Read more...]

shiny.semantic helps you introduce semantic elements to all kinds of shiny apps. It can make your Shiny app look awesome! If you’re new to shiny semantic, check out demos and How to use it. What you can find in this version? New features Support for Semantic UI Themes ... [Read more...]

Semantic dashboard is on! Are you fed up with ordinary shinydashboard look? Give your app a new life with Semantic UI support. It cannot be any easier! Install semantic.dashboard and load it instead to your app. It’s compatible with classical shinydashboard! You don’t have to start from ... [Read more...]

Meet Dominik, our Open Source Tech Lead Before Dominik took a leadership role he used to be a Data Scientist at Appsilon. He has five years of experience in Python and R programming, mostly from data science and machine learning related project... [Read more...]

Discover who is coming to eRum 2018 in Budapest while playing with an interactive data visualization in D3.js. Vist visualization’s page. You can meet me (Olga) at the conference where I’ll be speaking about cool and open source packages ... [Read more...]

Many companies are still largely managed with spreadsheets. While working with data we have seen the full spectrum of use cases of Excel, including some truly scary ones. There is, however, a clear trend of companies switching to alternatives af... [Read more...]

Many companies are still largely managed with spreadsheets. While working with data we have seen the full spectrum of use cases of Excel, including some truly scary ones. There is, however, a clear trend of companies switching to alternatives af... [Read more...]

Background With Valentine’s Day coming up, I was thinking about a fun analysis that I could convert into a blog post. Inspired by a beautiful visualization “Based on a True True story?” I decided to do something similar and analyze the sentiment in the most popular romantic comedies. After ... [Read more...]

If you have ever developed or used an open-source R package, you’re likely familiar with continuous integration. By automating the process of testing each proposed change in the source code, you can reduce the risk of errors, avoid unnecessary... [Read more...]

Before we start… We hope you found the first half of this post useful and interesting. Before we dive into the code, I want to explain a few important aspects of data science. Firstly, implementing data science in practice is always a researc... [Read more...]

Problem overview This article will be divided into a series of posts. In this post, I will explain the basic concepts behind convolutional neural networks and how to build them using Keras. In the next post, I will focus on improving the perfor... [Read more...]

Knowledge of the way how R evaluates expressions is crucial to avoid hours of staring at the screen or hitting unexpected and difficult bugs. We’ll start with an example of an issue I came accross a few months ago when using the purrr::map function.... [Read more...]

Why this post? Currently, my team and I are building a Shiny app that serves as an interface for a forecasting model. The app allows business users to interact with predictions. However, we keep getting feature requests, such as, “Can we please have... [Read more...]

Why this post? Currently, my team and I are building a Shiny app that serves as an interface for a forecasting model. The app allows business users to interact with predictions. However, we keep getting feature requests, such as, “Can we please have... [Read more...]

Introduction We recently witnessed one of the biggest game AI events in history – Alpha Go became the first computer program to beat the world champion in a game of Go. The publication can be found here. Different techniques from machine learning and tree search have been combined by developers from ... [Read more...]

Introduction We recently witnessed one of the biggest game AI events in history – Alpha Go became the first computer program to beat the world champion in a game of Go. The publication can be found here. Different techniques from machine learning and tree search have been combined by developers from ... [Read more...]

The long awaited promises will be released soon! Being as impatient as I am when it comes to new technology, I decided to play with currently available implementation of promises that Joe Cheng shared and presented recently in London at EARL confere... [Read more...]

The long awaited promises will be released soon! Being as impatient as I am when it comes to new technology, I decided to play with currently available implementation of promises that Joe Cheng shared and presented recently in London at EARL confere... [Read more...]